Which of the following event is second in the action of Bt toxin?

(1) Binding to epithelial cells

(2) Creating pores

(3) Swelling

(4) Lysis

Subtopic:  Bt Crops |
 78%
Level 2: 60%+
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Which of the following event will occur before death of insect as an action of Bt toxin?

(1) Lysis

(2) Swelling

(3) Pore formation

(4) Binding to epithelial cells

Subtopic:  Bt Crops |
 62%
Level 2: 60%+
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The choice of Bt toxin gene depends on

(1) Crop

(2) Targeted pest

(3) Both A and B

(4) Only on protein of Bt toxin gene

Subtopic:  Bt Crops |
 84%
Level 1: 80%+
Hints

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Most of the Bt toxin genes are

(1) Insect group specific

(2) Pest specific

(3) Weed specific

(4) Bacteria specific

Subtopic:  Bt Crops |
 85%
Level 1: 80%+
Hints

The Bt toxin is not coded by

(1) CrylAc

(2) CryllAb

(3) CrylAb

(4) CrylIIAc

Subtopic:  Bt Crops |
 92%
Level 1: 80%+
Hints

Cotton bollworms are controlled by

(1) CryIAc

(2) Cry II Ab

(3) Both A and B

(4) Cry I Ab

Subtopic:  Bt Crops |
 87%
Level 1: 80%+
Hints

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Corn borers are controlled by

(1) CryIAb

(2) CryIAc

(3) CryIIAb

(4) Both B and C

Subtopic:  Bt Crops |
 83%
Level 1: 80%+
Hints

The tobacco roots are infected by

(1) Nematode Meloidegyne incognitia

(2) Diptera beetles

(3) Coleoptera fly

(4) Lepidopterans

Subtopic:  Interference RNA Tech |
 98%
Level 1: 80%+
Hints

RNAi takes place as a method of cellular defense

(1) In all prokaryotes

(2) In all eukaryotes

(3) In all bacteria

(4) In all fungi

Subtopic:  Interference RNA Tech |
 83%
Level 1: 80%+
Hints

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Silencing of specific mRNA due to a complementary dsRNA is called mRNA silencing. Here the source of ds RNA is

(1) RNA virus

(2) Mobile genetic element with RNA intermediate

(3) Transposons having RNA intermediate during process of replication

(4) All of these

Subtopic:  Interference RNA Tech |
 87%
Level 1: 80%+
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